Abstract
This document specifies apparatus, test methods, and disclosure requirements for determination of lateral stability properties of wheelchair seat cushions by measuring the response from the cushion to a shift in the centre of mass of the load on the cushion. It provides a method of determining changes in a particular physical and mechanical property of the cushion. It does not provide information specific to cushion performance for a particular individual user. It does not provide information related to anterior-posterior stability, nor to stability contributions from cushion edges.
NOTE 1 Test conditions simulate a symmetric anatomy.
NOTE 2 Loads are intended to represent those seen under the pelvis of a 40th to 60th percentile wheelchair user.
This document is applicable to cushions used in situations other than a wheelchair.
General information
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Status: PublishedPublication date: 2021-06Stage: International Standard published [60.60]
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Edition: 1Number of pages: 9
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Technical Committee :ISO/TC 173/SC 1ICS :11.180.10
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Amendments
Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.
Amendment 1
Edition 2025
Life cycle
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Now
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Preliminary
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10
Proposal
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20
Preparatory
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Committee
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Enquiry
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Approval
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Publication
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Review
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95
Withdrawal
Amendments
Provide additional content; available for purchase; not included in the text of the existing standard.PublishedISO 16840-13:2021/Amd 1:2025
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